Beam counterweight for jack pumps



FIG. 1 is a front elevational view of a beam counterweight for jack pumps showing my new design.

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof. 

The ornamental design for a beam counterweight for jack pumps, as shown. 